21018962103

素因数分解:

$3^1\times {\mathrm{503}}^1\times {\mathrm{3617}}^1\times {\mathrm{3851}}^1$

素因数の和:7974

約数の個数: 16

約数和(自身を含む): 28096056576

約数和(自身を除く): 7077094473

約数列:

[1, 3, 503, 1509, 3617, 3851, 10851, 11553, 1819351, 1937053, 5458053, 5811159, 13929067, 41787201, 7006320701, 21018962103]

約数ペア:

[(1, 21018962103), (3, 7006320701), (503, 41787201), (1509, 13929067), (3617, 5811159), (3851, 5458053), (10851, 1937053), (11553, 1819351)]